Get friends checkin from FQL

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https://graph.facebook.com/

fql?q=SELECT coords, tagged_uids, page_id, author_uid FROM checkin WHERE author_uid IN (SELECT uid2 FROM friend WHERE uid1 = me())

http://developers.facebook.com/docs/reference/fql/checkin/

We can test the result from  Graph API Explorer
http://developers.facebook.com/tools/explorer

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